Controlling device for gas-burners.



' H. C. YINGLING. GONTROLLING DEVICE POB. GAS BURNERS.

APPLIOATION'FILED MAY 7, 191s.

Patented Apr. '7, 1914 @LW/Mums CoLUMBlA PLANDGRAPH c0..wAsH|NG'roN. n,c.

HARVY C. YINGLING, OF BALTIIVIGRE, MARYLAND.

consecutive nnvrcn Foa easfisunivnns.

Speccatonof Letters Patent.

Application led May 7, 1913.

PatentedApr.; "3', 1914.

Serial No. 766,146.

To all/whom, t may concern Be itiknown that I, HARvY C. YINGLING, acitizen of the United States, residing at Baltimore, in the btate ofMaryland, have invented new and useful Improvements in ControllingDevices for Gas-Burners, of which the following is a specification.

This invention relates to controlling devices for gas burners, andparticularly to a device wherein the valve of the supply source isopened when weight is applied thereto ind closed when the weight isremoved thererom.

An object of the invention is the provision of Va device of thischaracter which may be used in connection with cook stoves and whichwill embody a movably supported main burner connected directly with thecontrolling valve in the supply source and adapted to open the valvewhen Ya utensil is in an applied position above the burner.

A furtherV object of the invention is to provide a pilot burner locatedadjacent the main burner for instantly furnishing an igniting burner forthe main burner when the latter is depressed through the weight oftheutensil.

A still further object of the invention is the provision of meanswhereby the controlling valve will be made responsive to open todiiferent degrees according to the amount of fuel that it is desired toadmit to the main burner.

With these and other objects in view, the invention consists of certainnovel features of construction, combination and arrangement of parts, aswill be hereinafter described and claimed.

In the accompanying drawings: Figure 1 is a vertical section through thecontrolling device, showing the application thereof to a movably mountedmain burner; Fig. 2 is a section on line 2 2 of Fig. 1; and Fig. 3 is asection on line 3-3 of Fig. 1.

The controlling device comprises a fuel and airfeeding pipe 1 having itsintake end provided with the usual iiared mouth or funnel 2 havingperforations 3 in its crown and a revolving regulating valve 4, thelatter being adjustable across the perforations so as to regulateadmission of air to the burner. The pipe 1 at its opposite end is curvedoutwardly at 5 where it is provided with a reduced section 6. Saidsection is vertically-disposed and is shown to slidably accommodate avertical sleeve 7 on a main burner 8. A relatively light spring 9 isinterposed between the sleeve 7 and the shoulder 10 of the pipe 1 and isdesigned to exert its force to normally hold the main burner in anelevated position.

At the large end of the funnel portion 2 of the pipe 1 is a valve casing11 having a branch connection 12, to which may be connected the usualgas supply pipe, not shown. The connection 12 is alined with a feed noz-Zle 13 carried by the valve casing and extended through the funnel end 2of the pipe 1 in the usual well known manner. The connection 12intercepts the valve passage 14 in the valve casing and is designed toestablish direct communication with the nozzle 13 when the valve of thedevice is opened. rIhe valve casing slidably supports a valve 15 havingan upper stem 16 and a lower stem 17, the latter being slidable in abore 18 in the lower end of the valve casing while the portion 16 isslidable in the upper portion of the valve chamber and through a gland19. A spring 2() is interposed between the upper end of the valve andthe gland 19, and is adapted to exert its force against the valve tonormally hold the same against its seat 21 in the casing below theconnection 12, the relative positions of the valve seat 21 and theconnection 12 being such that the valve 15 will eifectually close thepassage in said connection 12 when the valve is closed.

The portion 17 of the valve terminates below the valve casing 11, beingpreferably rounded at 22 and loosely seated in a correspondingdepression 23 in a rocking lever 24. The lever 24 is mounted for pivotalmovement at 25 upon a bracket 26 which extends from the pipe 1. Theshort end 27 of the lever 24 is operatively connected at 28 with thelower end of an actuating rod 29, the upper end of the rod havingthreaded connection at 30 with a boss 31 formed on the main burner. Apilot burner 32 has its upper end 33 disposed with such relation to themain burner that the flame from the former may be made to ignite the gasas it discharges from the main burner whenthe valve 15 is open. Thepilot burner includes a pipe 34 having va controlling valve 35 thereinwhich may be actuated manually to regulate the discharge of fuel to thepilot burner as will be understood. The pipe 35 is extended through thebranches 36 and 37 to the branch connection 12 of the valve casing 11,so that it may be constantly supplied with gas and the pilot burnermaintained in a lighted condition as long as may be desired by theoperator. On the lever 24 and between the pivot 25 of the lever and thepoint of engagement of the lever with the valve stem 17 is mounted anadjustable weight 38 which may be placed in any desired position uponthe lever between the points above specied so as to regulate adjustmentof the valve under the action of the weight applied to the burner. Itis, of course understood that when a comparatively light utensil isapplied to the burner the weight 28 may be adjusted near the pivot so asto permit the valve 15 to readily open under the weight of the utensil.If it is desired to only admit a small portion of fuel to the burner theweight 38 may be adjusted to a point near the point of engage ment ofthe lever 2a with the valve stem 17, so as to permit the weight toassist in the action of the spring 2O toward resisting movements of thevalve.

From the construction of the device described,it is obviously seen thaton the application of a utensil to the main burner, the lat-ter will bemoved in a downward di Y rection carr ino` therewith the actuatinfr rodWhen the utensil is removed from the burner, the latter` willautomatically return to its normal position and under the action of thespring, the valve 15 will be closed.

F rom the foregoing description, taken in connection with theaccompanying drawings, the construction and operation of the inventionwill bereadily understood without requiring a more extended explanation.

Various changes in the form, proportion and the minor details ofconstruction may be resorted to without departing from the principle orsacrificing any of the advantages of this invention as claimed.

Having thus described my invention, what I claim is 1. In an automaticcontrolling device for gas burners, a main burner, a member supportingthe burner for vertical movements and including a fuel feeding pipeleading from the burner and terminating in a flared mouth, a valvecasing located at one side of the mouth and provided with a nozzle eX-tending into the mouth, a pipe connection leading t-o the valve casing,a rocking lever ymounted on the support, a connection between the burnerand one end of the lever, a` valve slidable 1n the valve casing, a seatformed in the casing at a point directly below said pipe connection, agland iitted to `the upper end of the valve chamber, an upper stemcarried by the. valve and slidable through the gland, a springinterposed between the valve and the gland and normally holding thevalve against the seat, the oppo-V Y site end of the rocking leverhavinga de- Y pression therein, and a lower stem formed on the valve andextending below the bottom thereof and having a rounded portionv looselyfitting in the depression. y .Y

2. In an automatic controlling device for gas burners, a main burner, amember sup-z porting the burner for verticalmovements and including afuel feeding' pipe leading from the burner and terminatingina liaredmouth, a valve casing located at one side ofk the mouth and providedwith a Vnozzle extending into the mouth, a lpipe `connection leadingtothe valve casing, a rocking lever mounted on the support,aconnectionbe f tween the burner and one end of the lever,

a valve slidable in the valve casing, a seat formed in the casingat apoint direct-ly be:A

low said pipe connection, a. gland fttedito the upper end of the valvechamber, an upper stem carried by the-valve and slidable through thegland, a spring interposed between the valve and the gland and .normallyholding the valve against theV seat, the opposite end of the rockingleverhaving a depression therein, and arlower'stem formed on the valveand extending below the bottom thereof and having a rounded por-` tionloosely fitting in the depression, said -mouth having a foraminous headand a damper operating over the head and revolving about the nozzle ofsaid valve casing.

In testimony whereof I affix my signature in presence of two witnesses.

HARVY C. YINGLING.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents,

Washington, D. C.

